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Finding the Fourth Proportional to 8,883.32, 13,321.08 and 4,722.32

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Solution

The fourth proportional to 8,883.32, 13,321.08 and 4,722.32 is: 7,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.32 : 13,321.08 = 4,722.32 : x
  2. Step 2: Convert to fraction form
    8,883.32/13,321.08 = 4,722.32/x
  3. Step 3: Cross multiply
    8,883.32x = 13,321.08 × 4,722.32
  4. Step 4: Simplify right side
    8,883.32x = 62,906,402.51
  5. Step 5: Solve for x
    x = 62,906,402.51/8,883.32
  6. Step 6: Final answer
    x = 7,081.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.